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Sandeep Tyagi Sandeep Tyagi
Naveen Agarwal, Satish Kumar Gaggar, Deval Gupta, Samik Gupta, Raja Krishnamurthy, Nisha Preschilla, Rajashekhar Shiddappa Totad, Sandeep Tyagi: Polymer compositions, method of manufacture, and articles formed therefrom. SABIC Innovative Plastics IP, July 7, 2009: US07557154 (2 worldwide citation)

A polymer composition is disclosed, which comprises a matrix polymer, a fluoropolymer that may be at least partially encapsulated by an encapsulating polymer, and a filler. Methods for making the polymer compositions and articles made of such compositions are also disclosed. The compositions and art ...


2
Sandeep Tyagi Sandeep Tyagi
Shrikant Bhat, Sriram Krishnamurthy, Roopali Rai, Sandeep Tyagi, Andries Adriaan Volkers: Thermoplastic compositions, method of manufacture, and articles therefrom. Sabic Innovative Plastics IP, Cantor Colburn, December 28, 2010: US07858700 (2 worldwide citation)

A thermoplastic composition comprising, based on the total weight of the thermoplastic composition, from 0.1 to 30 weight percent of an inorganic filler composition comprising an inorganic filler-polyorganosiloxane composite; up to 80 weight percent of a polycarbonate; and from 1 to 25 weight percen ...


3
Sandeep Tyagi Sandeep Tyagi
James Louis DeRudder, Raja Krishnamurthy, Rajashekhar Shiddappa Totad, Sandeep Tyagi, Robert Walter Venderbosch: Thermoplastic polycarbonate compositions with low gloss, articles made therefrom and method of manufacture. SABIC Innovative Plastics IP, January 19, 2010: US07649057 (2 worldwide citation)

A thermoplastic composition comprising a polycarbonate, an impact modifier, an aromatic vinyl copolymer, and a polyorganosiloxane has excellent mechanical properties, in addition to suitable low gloss performance. An article may be formed by molding, extruding, shaping or forming such a composition ...


4
Sandeep Tyagi Sandeep Tyagi
Vitthal Abaso Sawant, Srinivas Siripurapu, Raja Krishnamurthy, Sandeep Tyagi: Thermoplastic polycarbonate compositions. Sabic Innovative Plastics IP, Cantor Colburn, December 28, 2010: US07858680 (1 worldwide citation)

Disclosed herein is a thermoplastic composition comprising: a polycarbonate; an impact modifier; a polycarbonate-polysiloxane copolymer; a poly(arylene ether)-polysiloxane copolymer; and an organophosphate in an amount of 2 to 20 weight percent based on the combined weight of polycarbonate, impact m ...


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Sandeep Tyagi Sandeep Tyagi
Amit Biswas, Dibakar Dhara, Raja Krishnamurthy, Edward Kung, Parnasree Maiti, Roopali Rai, Vaidyanath Ramakrishnan, Vitthal Abaso Sawant, Rajashekhar Shiddappa Totad, Sandeep Tyagi: Polycarbonate composition comprising nanomaterials. Sabic Global Technologies, Cantor Colburn, October 21, 2014: US08865833

A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonat ...


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Sandeep Tyagi Sandeep Tyagi
Parnasree Maiti, Sonia Oberoi, Roopali Rai, Vaidyanath Ramakrishnan, Sandeep Tyagi: Polycarbonate nanocomposites. Sabic Innovative Plastics IP, Richard M Klein, Fay Sharpe, March 5, 2013: US08389626

Polycarbonate nanocomposites comprising a polycarbonate matrix having non-oxidized metal nanoparticles dispersed therein are disclosed. The polycarbonate nanocomposite is produced by a process comprising forming a reaction mixture comprising a dihydroxy compound, an activated carbonate, a metal prec ...


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Sandeep Tyagi
Amit Biswas, Dibakar Dhara, Raja Krishnamurthy, Edward Kung, Parnasree Maiti, Roopali Rai, Vitthal Abaso Sawant, Rajashekhar Shiddappa Totad, Sandeep Tyagi: Method of making polycarbonate nanocomposites. Sabic Lexan, SABIC Innovative Plastics IP Legal, April 3, 2008: US20080081865-A1

A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonat ...


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Sandeep Tyagi
James Louis DeRudder, Raja Krishnamurthy, Rajashekhar Shiddappa Totad, Sandeep Tyagi, Robert Walter Venderbosch: Thermoplastic polycarbonate compositions with low gloss, articles made therefrom and method of manufacture. General Electric Company, Geam Cycoloy, June 14, 2007: US20070135589-A1

A thermoplastic composition comprising a polycarbonate, an impact modifier, an aromatic vinyl copolymer, and a polyorganosiloxane has excellent mechanical properties, in addition to suitable low gloss performance. An article may be formed by molding, extruding, shaping or forming such a composition ...


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Sandeep Tyagi
Amit Biswas, Dibakar Dhara, Raja Krishnamurthy, Edward Kung, Parnasree Maiti, Roopali Rai, Vaidyanath Ramakrishnan, Vitthal Abaso Sawant, Rajashekhar Shiddappa Totad, Sandeep Tyagi: Polycarbonate composition comprising nanomaterials. Sabic Innovative Plastics Ip, Cantor Colburn, November 4, 2010: US20100280176-A1

A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonat ...


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Sandeep Tyagi
Sandeep Tyagi, Deval Gupta, Raja Krishnamurthy, Rajashekhar Shiddappa Totad, Satish Kumar Gaggar: Resin compositions with fluoropolymer filler combinations. General Electric Company, Henry H Gibson, GE Plastics, June 30, 2005: US20050143508-A1

A thermoplastic resin composition is disclosed which comprises a matrix polymer, and a combination of a fluoropolymer that can be at least partially encapsulated by an encapsulating polymer, and a filler. Methods for making the thermoplastic resin composition and articles made of such compositions a ...